starlark 0.8.0

An implementation of the Starlark language in Rust.
Documentation 
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/*
 * Copyright 2018 The Starlark in Rust Authors.
 * Copyright (c) Facebook, Inc. and its affiliates.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

use crate::eval::{bc::opcode::BcOpcode, tests::bc::test_instrs};

#[test]
fn test_x_and_true() {
    test_instrs(
        &[
            BcOpcode::LoadLocal,
            BcOpcode::Dup,
            BcOpcode::IfNotBr,
            BcOpcode::Pop,
            BcOpcode::Const,
            BcOpcode::Return,
        ],
        "def test(x): return x and True",
    )
}

#[test]
fn test_x_and_false() {
    test_instrs(
        &[
            BcOpcode::LoadLocal,
            BcOpcode::Dup,
            BcOpcode::IfNotBr,
            BcOpcode::Pop,
            BcOpcode::Const,
            BcOpcode::Return,
        ],
        "def test(x): return x and False",
    )
}

#[test]
fn test_x_or_true() {
    test_instrs(
        &[
            BcOpcode::LoadLocal,
            BcOpcode::Dup,
            BcOpcode::IfBr,
            BcOpcode::Pop,
            BcOpcode::Const,
            BcOpcode::Return,
        ],
        "def test(x): return x or True",
    )
}

#[test]
fn test_x_or_false() {
    test_instrs(
        &[
            BcOpcode::LoadLocal,
            BcOpcode::Dup,
            BcOpcode::IfBr,
            BcOpcode::Pop,
            BcOpcode::Const,
            BcOpcode::Return,
        ],
        "def test(x): return x or False",
    )
}

#[test]
fn test_true_and_x() {
    test_instrs(
        &[BcOpcode::LoadLocal, BcOpcode::Return],
        "def test(x): return True and x",
    )
}

#[test]
fn test_false_and_x() {
    test_instrs(&[BcOpcode::ReturnConst], "def test(x): return False and x")
}

#[test]
fn test_true_or_x() {
    test_instrs(&[BcOpcode::ReturnConst], "def test(x): return True or x")
}

#[test]
fn test_false_or_x() {
    test_instrs(
        &[BcOpcode::LoadLocal, BcOpcode::Return],
        "def test(x): return False or x",
    )
}